metamorpherrat | a77896571383e76d76afd8d8a4f90d9bc945a6dcc44df65c55fbb3ab908b1fb9

General

Target

a77896571383e76d76afd8d8a4f90d9bc945a6dcc44df65c55fbb3ab908b1fb9N.exe
Size

78KB
MD5

e99f549224132b857af1f74e63f3e8d0
SHA1

057c9d28c82bd2bf8090088d0f3aabec0e842363
SHA256

a77896571383e76d76afd8d8a4f90d9bc945a6dcc44df65c55fbb3ab908b1fb9
SHA512

6ab15771d710e1affc83b24b0398c986f9af13585216dd8afbacceb26e53042d3def4f63dda2b971eeb8e943a6cc15aad14a073b97a420b6938949bd9b7c7747
SSDEEP

1536:cRWV5rXT0XRhyRjVf3hTzdEzcEGvCZ1Hc5RPuoYciQtC6+9/U1+o:cRWV5rSyRxvhTzXPvCbW2U29/2

Score

10^/10

metamorpherrat discovery persistence rat stealer trojan

Malware Config

Signatures

MetamorpherRAT
Metamorpherrat is a hacking tool that has been around for a while since 2013.
trojan rat stealer metamorpherrat

Executes dropped EXE 1 IoCs

pid	Process
2856	tmp1BCA.tmp.exe

Loads dropped DLL 2 IoCs

pid	Process
2688	a77896571383e76d76afd8d8a4f90d9bc945a6dcc44df65c55fbb3ab908b1fb9N.exe
2688	a77896571383e76d76afd8d8a4f90d9bc945a6dcc44df65c55fbb3ab908b1fb9N.exe

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\aspnet_state_perf = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System.Web.exe\""	tmp1BCA.tmp.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a77896571383e76d76afd8d8a4f90d9bc945a6dcc44df65c55fbb3ab908b1fb9N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cvtres.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tmp1BCA.tmp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2688	a77896571383e76d76afd8d8a4f90d9bc945a6dcc44df65c55fbb3ab908b1fb9N.exe
Token: SeDebugPrivilege	2856	tmp1BCA.tmp.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2688 wrote to memory of 2948	2688	a77896571383e76d76afd8d8a4f90d9bc945a6dcc44df65c55fbb3ab908b1fb9N.exe	30
PID 2688 wrote to memory of 2948	2688	a77896571383e76d76afd8d8a4f90d9bc945a6dcc44df65c55fbb3ab908b1fb9N.exe	30
PID 2688 wrote to memory of 2948	2688	a77896571383e76d76afd8d8a4f90d9bc945a6dcc44df65c55fbb3ab908b1fb9N.exe	30
PID 2688 wrote to memory of 2948	2688	a77896571383e76d76afd8d8a4f90d9bc945a6dcc44df65c55fbb3ab908b1fb9N.exe	30
PID 2948 wrote to memory of 2556	2948	vbc.exe	32
PID 2948 wrote to memory of 2556	2948	vbc.exe	32
PID 2948 wrote to memory of 2556	2948	vbc.exe	32
PID 2948 wrote to memory of 2556	2948	vbc.exe	32
PID 2688 wrote to memory of 2856	2688	a77896571383e76d76afd8d8a4f90d9bc945a6dcc44df65c55fbb3ab908b1fb9N.exe	33
PID 2688 wrote to memory of 2856	2688	a77896571383e76d76afd8d8a4f90d9bc945a6dcc44df65c55fbb3ab908b1fb9N.exe	33
PID 2688 wrote to memory of 2856	2688	a77896571383e76d76afd8d8a4f90d9bc945a6dcc44df65c55fbb3ab908b1fb9N.exe	33
PID 2688 wrote to memory of 2856	2688	a77896571383e76d76afd8d8a4f90d9bc945a6dcc44df65c55fbb3ab908b1fb9N.exe	33

C:\Users\Admin\AppData\Local\Temp\a77896571383e76d76afd8d8a4f90d9bc945a6dcc44df65c55fbb3ab908b1fb9N.exe
"C:\Users\Admin\AppData\Local\Temp\a77896571383e76d76afd8d8a4f90d9bc945a6dcc44df65c55fbb3ab908b1fb9N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2688
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /noconfig @"C:\Users\Admin\AppData\Local\Temp\rwnmq1z4.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2948
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
    C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES1C77.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc1C76.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2556
- C:\Users\Admin\AppData\Local\Temp\tmp1BCA.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp1BCA.tmp.exe" C:\Users\Admin\AppData\Local\Temp\a77896571383e76d76afd8d8a4f90d9bc945a6dcc44df65c55fbb3ab908b1fb9N.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2856

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scripting

1

T1064

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

Scripting

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\RES1C77.tmp

Filesize
1KB

MD5
a2f14b9bd65f9367c8dd3c96b5b3d76d

SHA1
e954b6e282711e91637c23a21cf11356d52cda97

SHA256
acdf3807c2ca234eff6648e9d6a48e20469a203a2a45e55fc028ace3161d6e65

SHA512
224eb2a3345207d23a716ab7bd3799a3610803165f5172e4fb8b5515ed3367724986dadc29b49da6294ab389c26729f0051e5b83ba0f596862520a499e5d7bcc

Download Submit
C:\Users\Admin\AppData\Local\Temp\rwnmq1z4.0.vb

Filesize
14KB

MD5
605f686676faa4ef9a4cb51f6c3fc481

SHA1
1fd89b269d070fee1136accb7870c27a8cc530bc

SHA256
802fd002cef4871322595868dc4d4956aba5cff3b01224640ea1bcb437eb4342

SHA512
433577596873651ed579200f10db6711e28fe791e6d1939441e576f6ea409f404b8621c4b93399878fb95576ce71296e29289f00152102114c9614b1b44b8bdc

Download Submit
C:\Users\Admin\AppData\Local\Temp\rwnmq1z4.cmdline

Filesize
266B

MD5
71b7b44901cbc4babc9102f51956992b

SHA1
99d22436e934ff6bd33621db380d10f0d3aa513f

SHA256
e23e086c02d1194b0e936db896bd4cba92b6fc676a7841262cee93c766093508

SHA512
5597793cde517ae00ee71529c4b5d0aa1f8742ae5bafe45d9f461b0a3e5cf05ed8fd077d806095b2a65c19423d4f8d214d76c0abca5ac886a752ee01565b9025

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp1BCA.tmp.exe

Filesize
78KB

MD5
78e612a327cb17397df38ec730dfc5cc

SHA1
7a5795d50331c15e1fccdceed003d7b5edcb8fec

SHA256
c81836f9c9777cd9c3940f9f2304359bec7337671bece0137b9a0f8cdc827408

SHA512
21ce93612acd4438e07206004859e053c00e48d2563d7fc9d03780d32b3cdbc89a5f371c22fcd085ebad2ab1dbecca6fd865c02f66427a9091fa92926bbaf94e

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbc1C76.tmp

Filesize
660B

MD5
4d63a9c9df00c620c42a84ae20c87c84

SHA1
485564c1c1be7ad8413f670db8d57dfc4b691fa6

SHA256
2717e9bf8b2a4afb6cbc525b14c93890da079bcc368bb7de9d93619cd8b858b3

SHA512
95702d4ef59df9f438fa500987dfdb4244836ae38d8863ea2ad1d8f4df36c50a4cef686903aa1729cf33d5477dc9cd80fa8354f415ac6a1a342e1b19c3bad373

Download Submit
C:\Users\Admin\AppData\Local\Temp\zCom.resources

Filesize
62KB

MD5
8fd8e054ba10661e530e54511658ac20

SHA1
72911622012ddf68f95c1e1424894ecb4442e6fd

SHA256
822d92b6f2bd74ba785aa1555b5963c9d7736be1a41241927343dff1caf538d7

SHA512
c14d729a30b055df18cfac5258c30574ca93bd05fb9a86b4be47ed041c7a4ceefa636bf1c2dd0ccd4c922eda785ce80127374fb70f965c1cf7cd323da5c1b24c

Download Submit
memory/2688-0-0x0000000074C01000-0x0000000074C02000-memory.dmp

Filesize
4KB

Download
memory/2688-1-0x0000000074C00000-0x00000000751AB000-memory.dmp

Filesize
5.7MB

Download
memory/2688-2-0x0000000074C00000-0x00000000751AB000-memory.dmp

Filesize
5.7MB

Download
memory/2688-24-0x0000000074C00000-0x00000000751AB000-memory.dmp

Filesize
5.7MB

Download
memory/2948-8-0x0000000074C00000-0x00000000751AB000-memory.dmp

Filesize
5.7MB

Download
memory/2948-18-0x0000000074C00000-0x00000000751AB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads